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Imported from libpng-0.82.tar

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This commit is contained in:
Guy Schalnat
1995-11-28 11:22:13 -06:00
committed by Glenn Randers-Pehrson
parent 51f0eb4584
commit 0f71645dfe
16 changed files with 1233 additions and 475 deletions
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22
pngmem.c
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@@ -1,5 +1,5 @@
/* pngstub.c - stub functions for i/o and memory allocation
/* pngmem.c - stub functions for memory allocation
libpng 1.0 beta 2 - version 0.81
For conditions of distribution and use, see copyright notice in png.h
@@ -61,7 +61,7 @@ png_large_malloc(png_structf *png_ptr, png_uint_32 size)
#ifdef PNG_MAX_MALLOC_64K
if (size > (png_uint_32)65536L)
png_error(png_ptr, "Cannot Allocate > 64K");
(*(png_ptr->error_fn))(png_ptr, "Cannot Allocate > 64K");
#endif
#ifdef __TURBOC__
@@ -99,11 +99,11 @@ png_large_malloc(png_structf *png_ptr, png_uint_32 size)
num_save_array = 1;
save_array = malloc(num_save_array * sizeof (borland_seg));
if (!save_array)
png_error(png_ptr, "Out of Memory 1");
(*(png_ptr->error_fn))(png_ptr, "Out of Memory 1");
save_array->mem_ptr = farmalloc(
(unsigned long)(NUM_SEG) * 65536L + 65532L);
if (!save_array->mem_ptr)
png_error(png_ptr, "Out of Memory 2");
(*(png_ptr->error_fn))(png_ptr, "Out of Memory 2");
offset = (unsigned long)(ret);
offset &= 0xffffL;
ptr = save_array->mem_ptr;
@@ -141,11 +141,11 @@ png_large_malloc(png_structf *png_ptr, png_uint_32 size)
save_array = realloc(save_array,
(num_save_array + 1) * sizeof (borland_seg));
if (!save_array)
png_error(png_ptr, "Out of Memory 3");
(*(png_ptr->error_fn))(png_ptr, "Out of Memory 3");
save_array[num_save_array].mem_ptr = farmalloc(
(unsigned long)(NUM_SEG) * 65536L + 65532L);
if (!save_array[num_save_array].mem_ptr)
png_error(png_ptr, "Out of Memory 4");
(*(png_ptr->error_fn))(png_ptr, "Out of Memory 4");
offset = (unsigned long)(ret);
offset &= 0xffffL;
ptr = save_array[num_save_array].mem_ptr;
@@ -180,7 +180,7 @@ png_large_malloc(png_structf *png_ptr, png_uint_32 size)
if (ret == NULL)
{
png_error(png_ptr, "Out of Memory");
(*(png_ptr->error_fn))(png_ptr, "Out of Memory");
}
return ret;
@@ -259,14 +259,14 @@ png_malloc(png_struct *png_ptr, png_uint_32 size)
#ifdef PNG_MAX_MALLOC_64K
if (size > (png_uint_32)65536L)
png_error(png_ptr, "Cannot Allocate > 64K");
(*(png_ptr->error_fn))(png_ptr, "Cannot Allocate > 64K");
#endif
ret = malloc((png_size_t)size);
if (!ret)
{
png_error(png_ptr, "Out of Memory 6");
(*(png_ptr->error_fn))(png_ptr, "Out of Memory 6");
}
return ret;
@@ -285,14 +285,14 @@ png_realloc(png_struct *png_ptr, void *ptr, png_uint_32 size,
#ifdef PNG_MAX_MALLOC_64K
if (size > (png_uint_32)65536L)
png_error(png_ptr, "Cannot Allocate > 64K");
(*(png_ptr->error_fn))(png_ptr, "Cannot Allocate > 64K");
#endif
ret = realloc(ptr, (png_size_t)size);
if (!ret)
{
png_error(png_ptr, "Out of Memory 7");
(*(png_ptr->error_fn))(png_ptr, "Out of Memory 7");
}
return ret;